ROY

Oil // district 11 // lease#69534

op: WINN OPERATING, LLC

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

10

production

2010-02 — 2026-03

peak_month

2013-04

-- production_history

cum_oil: 1,254,420 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

51,658 BBL/mo

Di (annual)

316.9%

b-factor

1.2

EUR

1,370,542 BBL

R-squared

0.975

type

hyperbolic

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3501HURBAN OIL & GAS GROUP, LLC210,0002015-12-11
1802ST. MARY LAND & EXPLORATION CO.410,0002013-01-28
1803HSM ENERGY COMPANY110,0002012-12-13
2601HSM ENERGY COMPANY110,0002012-10-02
2501HSM ENERGY COMPANY110,2002012-06-19
1901SM ENERGY COMPANY110,2002011-11-03
1301HSM ENERGY COMPANY210,2002011-06-27
2404HSM ENERGY COMPANY110,2002011-06-22
2403HST. MARY LAND & EXPLORATION CO.210,2002010-05-21
2402ST. MARY LAND & EXPLORATION CO.210,0002009-12-22
EOF // data source: Texas Railroad Commission // 2026